SH 



CONTENTS. 



I. INTRODUCTORY. 



1. General Introduction. By D. Noel Paton, M.D., B.Sc., 



F.R.C.P.Ed., Superintendent of the Laboratory, - 1 



2. How far may the Salmon examined be considered 



typical of their respective classes. By Walter E. 

 Archer, Esq., F.R.S.Ed., Inspector of Salmon 

 Fisheries for Scotland, - 9 



II. -THE SOURCE FROM WHICH SALMON OBTAIN NOURISHMENT, AND 

 THE EXCHANGES OF MATERIAL IN THE BODY DURING THEIR 

 SOJOURN IN FRESH WATER. 



A. The Power of the Alimentary Canal to Digest and Absorb 

 Food. 



3. The Minute Structure of the Digestive Tract of the 



Salmon, and the Changes which occur in it in 

 Fresh Water. By G. Lovell Gulland, M.A., B.Sc., 

 M.D., F.R.C.P.Ed., 13 



4. Changes in the Digestive Activity of the Secretions of 



the Alimentary Canal of the Salmon in different 

 conditions. By A. Lockhart Gillespie, M.D., 

 F.R.C.P. Ed., 23 



5. Bacteriology of the Alimentary Canal of the Salmon in 



different conditions. By A. Lockhart Gillespie, 

 M.D., F.R.C.P. Ed., 36 



B. Changes in the Weight and in the Constituents of the 

 Muscles, Genitalia, and other Organs during the 

 sojourn of Salmon in Fresh Water. 



6. Changes in the Weight and Condition of Salmon 



at different seasons in the Estuaries and in the 

 Upper Reaches of the River. By D. Noel Paton, 

 M.D., F.R.C.P.Ed., Miid J. C. ' Dunlop, M.D., 

 F.R.C.P.Ed., - 63 



Chemical Changes Preliminary Considerations. By D. 

 Noel Paton, M.D., F.R.C.P.Ed., - 79 



7 The Changes in the Solids and Water of Muscles and 

 Genitalia in the Salmon in Fresh Water. By D. 

 Noel Paton, M.D., F.R.C.P.Ed., - 83 



